package com.xue.reggie.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xue.reggie.dto.DishDto;
import com.xue.reggie.entity.Dish;
import com.xue.reggie.entity.DishFlavor;
import com.xue.reggie.mapper.DishMapper;
import com.xue.reggie.service.DIshFlavorService;
import com.xue.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.beans.Transient;
import java.util.List;
import java.util.stream.Collectors;

@Service
@Slf4j
public class DishServiceImpl extends ServiceImpl<DishMapper, Dish> implements DishService {

    @Autowired
    private DIshFlavorService dIshFlavorService;

    @Autowired
    private DishService dishService;
    /**
     *
     * 新增菜品同时保存对应的口味数据
     * @param dishDto
     */

    @Transactional
    public void saveWithFlavor(DishDto dishDto) {

        //保存菜品信息到dish表
        this.save(dishDto);

        Long dishId = dishDto.getId(); //获取菜品id

        //菜品口味
        List<DishFlavor> flavors = dishDto.getFlavors();
        flavors = flavors.stream().map((item) -> {
            item.setDishId(dishId);
            return item;
        }).collect(Collectors.toList());


        //保存菜品口味到dish_flaver表

       dIshFlavorService.saveBatch(flavors);

    }

    /**
     * 根据id查询菜品信息和对应的口味信息
     * @param id
     * @return
     */
    public DishDto getByIdWithFlavor(Long id) {
        //查询菜品基本信息，从dish表查询
        Dish dish = this.getById(id);
        DishDto dishDto = new DishDto();
        BeanUtils.copyProperties(dish,dishDto);

        //查询当前菜品对应的口味信息，从dish_flavor表查询
        LambdaQueryWrapper<DishFlavor> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(DishFlavor::getDishId,dish.getId());
        List<DishFlavor> flavors = dIshFlavorService.list(queryWrapper);
        dishDto.setFlavors(flavors);

        return dishDto;
    }

    @Override
    @Transactional
    public void updateWithFlavor(DishDto dishDto) {
        //更新dish表基本信息
        this.updateById(dishDto);

        //清理当前菜品对应口味数据  dish_flavor表的delete操作
        LambdaQueryWrapper<DishFlavor> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(DishFlavor::getDishId,dishDto.getId());

        dIshFlavorService.remove(queryWrapper);

        //重新添加当前提交过来的口味数据   dish_flavor表的insert操作
        List<DishFlavor> flavors = dishDto.getFlavors();

        flavors = flavors.stream().map((item) -> {
            item.setDishId(dishDto.getId());
            return item;
        }).collect(Collectors.toList());

        dIshFlavorService.saveBatch(flavors);

    }

    /**
     * 修改状态
     * @param status
     * @param ids
     */
    public void updateWithDish(Integer status, List<Long> ids) {
        LambdaQueryWrapper<Dish> queryWrapper =  new LambdaQueryWrapper<>();
            queryWrapper.in(Dish::getId,ids);

        List<Dish> list = this.list(queryWrapper);
////        QueryWrapper queryWrapper = new QueryWrapper();
////        if(!ids.isEmpty()){
////            queryWrapper.eq("id",ids.get(0));
////        }
////        List<Dish> list = dishService.list(queryWrapper);
//
//        for (Dish dish : list){
//
//            if (dish !=null){
//                dish.setStatus(status);
//                dishService.updateById(dish);
//
//            }
//        }
//        QueryWrapper queryWrapper = new QueryWrapper();
//        queryWrapper.in("id",ids);
//        List<Dish> list = dishService.list(queryWrapper);

        for (Dish dish : list){

            if (dish !=null){
                dish.setStatus(status);
                dishService.updateById(dish);

            }
        }
    }
}
